length n = 56
dimension k = 7
alphabet length q = 2

minimum distance d = 26

generator matrix:
00000000000000000000111111111111111000000111111111111111
00000000001111111111000000000011111011111000001111111111
00001111110000001111000000111100001101111011110000111111
01110001110001110001000111000100010110111101110111000111
10110110010110010010011001001000100111011110111011011001
11011010101010100100101010010001000111101111011101101010
11101101001101001000110100100010000111110111101110110100

projective group of automorphisms generated by:
0010000
1000000
0100000
0001000
0000100
0000010
0000001

0001000
1000000
0010000
0100000
0000100
0000010
0000001

0000100
1000000
0010000
0001000
0100000
0000010
0000001

0000010
1000000
0010000
0001000
0000100
0100000
0000001

0000001
1000000
0010000
0001000
0000100
0000010
0100000